two-month [Adjective] + period [Noun]

Strength Strength Dispersion
A:
16
CHISQ:
1,352.3
AWT:
5,947,123
TTEST:
3.95
G2:
123.34
FAWT:
9.14
MI:
6.43
LOGLOG:
25.72
JD:
0.74
MI3:
14.43
DICE:
0.11
RANGE: